EP3070268A3 - A bladed rotor arrangement and a lock plate for a bladed rotor arrangement and corresponding method of manufacturing - Google Patents

A bladed rotor arrangement and a lock plate for a bladed rotor arrangement and corresponding method of manufacturing Download PDF

Info

Publication number
EP3070268A3
EP3070268A3 EP16156931.4A EP16156931A EP3070268A3 EP 3070268 A3 EP3070268 A3 EP 3070268A3 EP 16156931 A EP16156931 A EP 16156931A EP 3070268 A3 EP3070268 A3 EP 3070268A3
Authority
EP
European Patent Office
Prior art keywords
lock plate
rotor
rotor arrangement
bladed rotor
bladed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16156931.4A
Other languages
German (de)
French (fr)
Other versions
EP3070268A2 (en
EP3070268B1 (en
Inventor
David Belshaw
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rolls Royce PLC filed Critical Rolls Royce PLC
Publication of EP3070268A2 publication Critical patent/EP3070268A2/en
Publication of EP3070268A3 publication Critical patent/EP3070268A3/en
Application granted granted Critical
Publication of EP3070268B1 publication Critical patent/EP3070268B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • F01D5/3015—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type with side plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/005—Sealing means between non relatively rotating elements
    • F01D11/006—Sealing the gap between rotor blades or blades and rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/12—Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/21—Manufacture essentially without removing material by casting
    • F05D2230/211—Manufacture essentially without removing material by casting by precision casting, e.g. microfusing or investment casting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/22—Manufacture essentially without removing material by sintering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/30—Manufacture with deposition of material
    • F05D2230/31—Layer deposition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/80—Platforms for stationary or moving blades
    • F05D2240/81—Cooled platforms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/10—Two-dimensional
    • F05D2250/13—Two-dimensional trapezoidal
    • F05D2250/132—Two-dimensional trapezoidal hexagonal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/28—Three-dimensional patterned
    • F05D2250/283—Three-dimensional patterned honeycomb

Abstract

A lock plate (48) of a bladed rotor arrangement (32) is hollow. The bladed rotor arrangement (32) comprises is a bladed turbine rotor of a gas turbine engine (10). The hollow lock plate (48) has reduced weight compared to a solid lock plate and reduces the centrifugal load on the rim of the rotor (34) and reduces the stresses in the lock plate groove on the rotor blade (36) and hence increases the working life of the rotor (34) and the working life of the rotor blade (36) respectively. The lock plate (48) may have radially extending chambers (47H) and openings (55, 59) to provide a flow of coolant onto the rotor posts (88) of the rotor (34). A corresponding method of manufacturing a lock plate.
EP16156931.4A 2015-03-20 2016-02-23 A bladed rotor arrangement and a lock plate for a bladed rotor arrangement and corresponding method of manufacturing Not-in-force EP3070268B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1504725.1A GB201504725D0 (en) 2015-03-20 2015-03-20 A bladed rotor arrangement and a lock plate for a bladed rotor arrangement

Publications (3)

Publication Number Publication Date
EP3070268A2 EP3070268A2 (en) 2016-09-21
EP3070268A3 true EP3070268A3 (en) 2016-11-02
EP3070268B1 EP3070268B1 (en) 2018-08-01

Family

ID=53052120

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16156931.4A Not-in-force EP3070268B1 (en) 2015-03-20 2016-02-23 A bladed rotor arrangement and a lock plate for a bladed rotor arrangement and corresponding method of manufacturing

Country Status (3)

Country Link
US (1) US10041362B2 (en)
EP (1) EP3070268B1 (en)
GB (1) GB201504725D0 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3052762B1 (en) * 2013-10-03 2021-08-04 Raytheon Technologies Corporation Feature to provide cooling flow to a turbine rotor disk
GB2547906B (en) * 2016-03-02 2019-07-03 Rolls Royce Plc A bladed rotor arrangement
US10787920B2 (en) 2016-10-12 2020-09-29 General Electric Company Turbine engine inducer assembly
KR20180114765A (en) 2017-04-11 2018-10-19 두산중공업 주식회사 Retainer for gas turbine blade, turbine unit and gas turbine using the same
US10920598B2 (en) * 2017-05-02 2021-02-16 Rolls-Royce Corporation Rotor assembly cover plate
DE102017109952A1 (en) 2017-05-09 2018-11-15 Rolls-Royce Deutschland Ltd & Co Kg Rotor device of a turbomachine
KR20190029963A (en) * 2017-09-13 2019-03-21 두산중공업 주식회사 Cooling structure of Turbine blade and turbine and gas turbine comprising the same
US10876420B2 (en) * 2017-09-14 2020-12-29 DOOSAN Heavy Industries Construction Co., LTD Turbine blade axial retention and sealing system
EP3521561A1 (en) * 2018-02-02 2019-08-07 Siemens Aktiengesellschaft Rotor with sealing element and sealing ring
KR102537955B1 (en) * 2018-08-02 2023-05-31 지멘스 에너지 글로벌 게엠베하 운트 코. 카게 A rotor comprising a rotor component disposed between two rotor disks
FR3085420B1 (en) * 2018-09-04 2020-11-13 Safran Aircraft Engines ROTOR DISC WITH BLADE AXIAL STOP, SET OF DISC AND RING AND TURBOMACHINE
FR3092865B1 (en) * 2019-02-19 2021-01-29 Safran Aircraft Engines ROTOR DISK WITH BLADE AXIAL STOP, DISC AND RING SET AND TURBOMACHINE
CN112211678B (en) * 2020-10-16 2022-10-11 中国航发四川燃气涡轮研究院 Long-life turbine rotor front baffle
EP4134515A1 (en) * 2021-08-12 2023-02-15 Rolls-Royce plc Blade for use in a gas turbine engine and gas turbine engine for an aircraft

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2435909A (en) * 2006-03-07 2007-09-12 Rolls Royce Plc Turbine blade arrangement
EP2009236A2 (en) * 2007-06-27 2008-12-31 United Technologies Corporation A sideplate for a turbine rotor, corresponding turbine rotor and gas turbine engine
EP2146055A1 (en) * 2008-07-17 2010-01-20 Ansaldo Energia S.P.A. Sealing element for a gas turbine, a gas turbine including said sealing element and method for cooling said sealing element
EP2236759A1 (en) * 2009-03-27 2010-10-06 Siemens Aktiengesellschaft Rotor blade system
US20110129342A1 (en) * 2009-11-30 2011-06-02 Honeywell International Inc. Turbine assemblies with impingement cooling
US8038399B1 (en) * 2008-11-22 2011-10-18 Florida Turbine Technologies, Inc. Turbine rim cavity sealing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217755A (en) * 1978-12-04 1980-08-19 General Motors Corporation Cooling air control valve
FR2732405B1 (en) * 1982-03-23 1997-05-30 Snecma DEVICE FOR COOLING THE ROTOR OF A GAS TURBINE
US4882902A (en) * 1986-04-30 1989-11-28 General Electric Company Turbine cooling air transferring apparatus
US4890981A (en) * 1988-12-30 1990-01-02 General Electric Company Boltless rotor blade retainer
US5018943A (en) * 1989-04-17 1991-05-28 General Electric Company Boltless balance weight for turbine rotors
US5575616A (en) * 1994-10-11 1996-11-19 General Electric Company Turbine cooling flow modulation apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2435909A (en) * 2006-03-07 2007-09-12 Rolls Royce Plc Turbine blade arrangement
EP2009236A2 (en) * 2007-06-27 2008-12-31 United Technologies Corporation A sideplate for a turbine rotor, corresponding turbine rotor and gas turbine engine
EP2146055A1 (en) * 2008-07-17 2010-01-20 Ansaldo Energia S.P.A. Sealing element for a gas turbine, a gas turbine including said sealing element and method for cooling said sealing element
US8038399B1 (en) * 2008-11-22 2011-10-18 Florida Turbine Technologies, Inc. Turbine rim cavity sealing
EP2236759A1 (en) * 2009-03-27 2010-10-06 Siemens Aktiengesellschaft Rotor blade system
US20110129342A1 (en) * 2009-11-30 2011-06-02 Honeywell International Inc. Turbine assemblies with impingement cooling

Non-Patent Citations (1)

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Title
BIELZER R ET AL: "METAL INJECTION MOLDING: FREEDOM IN DESIGN FOR SINTERED METAL COMPONENTS", ADVANCES IN POLYMER TECHNOLOGY, WILEY AND SONS, HOBOKEN, NJ, US, vol. 11, no. 2, 21 June 1991 (1991-06-21), pages 141 - 145, XP000323083, ISSN: 0730-6679, DOI: 10.1002/ADV.1991.060110207 *

Also Published As

Publication number Publication date
GB201504725D0 (en) 2015-05-06
EP3070268A2 (en) 2016-09-21
US10041362B2 (en) 2018-08-07
EP3070268B1 (en) 2018-08-01
US20160273370A1 (en) 2016-09-22

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